#!/usr/bin/env bash
# L0 policy-as-code gate (T-0.5) -- the single command CI runs. No cluster required.
#
#   Verifies:
#     1. Kyverno ClusterPolicies vs pass/fail resource fixtures  (kyverno test)
#     2. ServiceDefinition shape vs valid/invalid payloads       (kyverno-json scan)
#
# Version-pin the tools for reproducibility (docs/14, ADR-0011). Override via env.
set -euo pipefail

# --- pinned tool versions (bump via the normal update path; suite re-green is the gate) ---
KYVERNO_VERSION="${KYVERNO_VERSION:-v1.13.4}"
KYVERNO_JSON_VERSION="${KYVERNO_JSON_VERSION:-v0.0.3}"

HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$HERE/.."

echo "== L0 gate: Kyverno CLI $KYVERNO_VERSION / kyverno-json $KYVERNO_JSON_VERSION =="

echo "-- [1/2] ClusterPolicy tests (kyverno test) --"
kyverno test ./tests

echo "-- [2/2] ServiceDefinition validation (kyverno-json scan) --"
kyverno-json scan \
  --policy servicedefinition/validate-servicedefinition.yaml \
  --payload servicedefinition/payloads/valid-plex.yaml \
  --payload servicedefinition/payloads/valid-sonarr.yaml

fail=0
for f in servicedefinition/payloads/invalid-*.yaml; do
  if kyverno-json scan \
      --policy servicedefinition/validate-servicedefinition.yaml \
      --payload "$f" >/dev/null 2>&1; then
    echo "FAIL: expected $f to be REJECTED but it passed"
    fail=1
  else
    echo "ok (rejected as expected): $f"
  fi
done
[ "$fail" -eq 0 ] || { echo "L0 gate FAILED"; exit 1; }

echo "== L0 gate PASSED =="